Finding the Fourth Proportional to 88,978.74, 133,447.02 and 25,782.12

Step by Step Solution

1. Step 1: Write the proportion equation
   88,978.74 : 133,447.02 = 25,782.12 : x
2. Step 2: Convert to fraction form
   88,978.74/133,447.02 = 25,782.12/x
3. Step 3: Cross multiply
   88,978.74x = 133,447.02 × 25,782.12
4. Step 4: Simplify right side
   88,978.74x = 3,440,547,083.28
5. Step 5: Solve for x
   x = 3,440,547,083.28/88,978.74
6. Step 6: Final answer
   x = 38,667.07